configure.in

dnl Process this file with autoconf to produce a configure script.

AC_INIT
AC_CONFIG_HEADER(config.h)
#AC_PREFIX_DEFAULT(/glftpd/)

AC_CANONICAL_BUILD 
AC_CANONICAL_HOST 

dnl Checks for programs.
AC_PROG_CC

if [[ "$CC" = "gcc" ]]; then
	CFLAGS="$CFLAGS -W -Wall -Wundef -Wshadow -Wpointer-arith -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline"
fi

AC_PROG_GREP
if [[ -z "$GREP" ]]; then AC_MSG_ERROR([Couldn't find grep, quitting!]); fi
AC_PROG_EGREP
if [[ -z "$EGREP" ]]; then AC_MSG_ERROR([Couldn't find egrep or grep with -E option, quitting!]); fi
AC_PROG_SED
if [[ -z "$SED" ]]; then AC_MSG_ERROR([Couldn't find sed, quitting!]); fi
AC_CHECK_PROG(STRINGS, strings, strings)
if [[ -z "$STRINGS" ]]; then AC_MSG_ERROR([Couldn't find strings, quitting!]); fi
AC_CHECK_PROG(CUT, cut, cut)
if [[ -z "$CUT" ]]; then AC_MSG_ERROR([Couldn't find cut, quitting!]); fi
AC_CHECK_PROG(TR, tr, tr)
if [[ -z "$TR" ]]; then AC_MSG_ERROR([Couldn't find tr, quitting!]); fi
AC_CHECK_PROG(CP, cp, cp)
if [[ -z "$CP" ]]; then AC_MSG_ERROR([Couldn't find cp, quitting!]); fi
AC_CHECK_PROG(RM, rm, rm)
if [[ -z "$RM" ]]; then AC_MSG_ERROR([Couldn't find rm, quitting!]); fi
AC_CHECK_PROG(FILE, file, file)
if [[ -z "$FILE" ]]; then AC_MSG_ERROR([Couldn't find file, quitting!]); fi
AC_CHECK_PROG(INSTALL, install, install)
if [[ -z "$INSTALL" ]]; then AC_MSG_ERROR([Couldn't find install, quitting!]); fi
AC_CHECK_PROG(MAKE, make, make)
if [[ -z "$MAKE" ]]; then AC_MSG_ERROR([Couldn't find make, quitting!]); fi
AC_CHECK_PROG(UNAME, uname, uname)
if [[ -z "$UNAME" ]]; then AC_MSG_ERROR([Couldn't find uname, quitting!]); fi

dnl Checks for libraries.
LCRYPT=""; PASSCHK=""
if [[ $($UNAME -s) != "OpenBSD" ]]; then
	#AC_CHECK_LIB(crypt, crypt, LCRYPT="-lcrypt", AC_MSG_ERROR([[Couldn't find libcrypt, quitting!]]))
	AC_CHECK_LIB(crypt, crypt, LCRYPT="-lcrypt")
fi

AH_TEMPLATE([PZSNG_SSL_EXT], [Define to 1 to if you have the required SSL-libs in place])
PZSNG_SSL
if [[ -n "$SSL_LIBS" ]]; then
	PASSCHK="passchk"
	PASSCHK2="passchk-install"
fi

dnl Checks for header files.
AC_HEADER_TIME
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(pwd.h regex.h fnmatch.h fcntl.h errno.h, , AC_MSG_ERROR([[Couldn't find required header, quitting!]]))
AC_CHECK_HEADERS(sys/ipc.h sys/param.h sys/shm.h sys/time.h sys/uio.h sys/wait.h, , AC_MSG_ERROR([[Couldn't find required header, quitting!]]))
AC_CHECK_HEADERS(hsregex.h, CFLAGS="$CFLAGS -DUSE_HSREGEX")

dnl Checks for library functions.
AC_CHECK_FUNC(strlcpy, [AC_DEFINE(HAVE_STRLCPY, 1, [Define to 1 if you have the strlcpy() function available])])

dnl Checks for typedefs, structures, and compiler characteristics.
dnl This one isn't used yet.

dnl Features

dnl OS :)

case $host in
	*-solaris*)
		CFLAGS="$CFLAGS -D_SunOS_"
		SUNOBJS="strsep.o scandir.o"
		;;
	*bsd*)	
		CFLAGS="$CFLAGS -D_BSD_"
		;;
	*darwin*)	
		CFLAGS="$CFLAGS -D_OSX_"
		;;
esac

dnl sitestat5
AC_ARG_ENABLE(ss5, AS_HELP_STRING([--enable-ss5], [compiles the zipscript for use with SiteStat 5]), [
	CFLAGS="$CFLAGS -D_WITH_SS5"
	! [[ -f zipscript/conf/zsconfig.h ]] && $CP -i zipscript/conf/zsconfig.h.ss5.dist zipscript/conf/zsconfig.h
	]
)

dnl glftpd-specific
AC_ARG_ENABLE(glftpd-specific,
        AS_HELP_STRING([--disable-glftpd-specific], [Disable glftpd-specific features, so that it works under wzdftpd/cuftpd]),
        [GLFTPD_SPECIFIC="$enableval"],
        [GLFTPD_SPECIFIC="yes"]
)

dnl noformat
NOFORMAT="-D_WITH_NOFORMAT"
AC_ARG_ENABLE(format, AS_HELP_STRING([--enable-format], [compiles the zipscript to format the output]), NOFORMAT="")

dnl expert
AC_ARG_ENABLE(expert, AS_HELP_STRING([--enable-expert], [expert mode - uses full config]), [
	! [[ -f zipscript/conf/zsconfig.h ]] && $CP -i zipscript/conf/zsconfig.h.complete zipscript/conf/zsconfig.h
	]
)

dnl altwho
ALTWHO="-D_WITH_ALTWHO"
AC_ARG_ENABLE(altwho, AS_HELP_STRING([--disable-altwho], [compiles the sitewho to not use an alternative output on single user who lookups]), ALTWHO="")

dnl flac_headers
AC_ARG_ENABLE(flac, AS_HELP_STRING([--disable-flac], [disable flacinfo support]), , [enable_flac=check])

FLAC_HEADERS=""
AS_IF([test "x$enable_flac" != xno], [
              AC_CHECK_HEADERS([FLAC/metadata.h FLAC/format.h],[AC_SUBST([FLAC_HEADERS], ["-DHAVE_FLAC_HEADERS"])
                  AC_SUBST([LDFLAGS], ["$LDFLAGS -lFLAC"])],
                [if test "x$enable_flac" != xcheck; then
                  AC_MSG_ERROR([Couldn't find required flacheaders. Install libflac development files if you want to have flacinfo support.])
                 fi]
              )])

dnl Static linking :)
AC_ARG_ENABLE(static, AS_HELP_STRING([--enable-static], [enable static linking of zs-c]), CFLAGS="$CFLAGS -static"; static="yes")
if test "$static" = "yes"; then
  AC_MSG_RESULT([NOTICE: linking statically (--enable-static).])
else
  AC_MSG_RESULT([NOTICE: linking dynamically.])
fi

dnl Install-path
AC_ARG_WITH(install-path,
            AS_HELP_STRING([--with-install-path=PATH],
                           [specify nondefault path to install software (/glftpd per default)]),
            INSTALLPATH="$withval")
dnl for compatability
if [[ "x$INSTALLPATH" = "x" ]]; then
    AC_ARG_WITH(glpath, 
                AS_HELP_STRING([--with-glpath=PATH],
                               [specify nondefault path to install software (/glftpd per default) (USE --with-install-path INSTEAD!)]),
                INSTALLPATH="$withval", INSTALLPATH="/glftpd")
fi

dnl GL version =)
if [[ "x$GLFTPD_SPECIFIC" = "xyes" ]]; then
    AC_ARG_ENABLE(gl132, AS_HELP_STRING([--enable-gl132], [disable autodetect of glversion, and compile bot binaries for glftpd 1.32]),
                  GLVERSION="-DGLVERSION=13232"
                  AC_MSG_RESULT([NOTICE: compiling bot binaries for glftpd 1.32. (--enable-gl132).]),
                  GLVERSION="detect")

    if [[ "$GLVERSION" = "detect" ]]; then
      AC_ARG_ENABLE(gl200, AS_HELP_STRING([--enable-gl200], [disable autodetect of glversion, and compile bot binaries for glftpd 2.00]),
                    GLVERSION="-DGLVERSION=20032"
                    AC_MSG_RESULT([NOTICE: compiling bot binaries for glftpd 2.00. (--enable-gl200).]),
                    GLVERSION="detect")
      if [[ "$GLVERSION" = "detect" ]]; then
          AC_ARG_ENABLE(gl201, AS_HELP_STRING([--enable-gl201], [disable autodetect of glversion, and compile bot binaries for glftpd 2.01]),
                        GLVERSION="-DGLVERSION=20132"
                        AC_MSG_RESULT([NOTICE: compiling bot binaries for glftpd 2.01. (--enable-gl201).]),
                        GLVERSION="detect")
        if [[ "$GLVERSION" = "detect" ]]; then
            AC_ARG_ENABLE(gl201-64, AS_HELP_STRING([--enable-gl201-64], [disable autodetect of glversion, and compile bot binaries for glftpd 2.01 64bit]),
                          GLVERSION="-DGLVERSION=20164"
                          AC_MSG_RESULT([NOTICE: compiling bot binaries for glftpd 2.01 64bit. (--enable-gl201-64).]),
                          GLVERSION="detect")
          if [[ "$GLVERSION" = "detect" ]]; then
              AC_ARG_ENABLE(gl202-32, AS_HELP_STRING([--enable-gl202-32], [disable autodetect of glversion, and compile bot binaries for glftpd 2.02 32bit and above]),
                            GLVERSION="-DGLVERSION=20232"
                            AC_MSG_RESULT([NOTICE: compiling bot binaries for glftpd 2.02 32bit and above. (--enable-gl202-32).]),
                            GLVERSION="detect")
            if [[ "$GLVERSION" = "detect" ]]; then
                AC_ARG_ENABLE(gl202-64, AS_HELP_STRING([--enable-gl202-64], [disable autodetect of glversion, and compile bot binaries for glftpd 2.02 64bit and above]),
                              GLVERSION="-DGLVERSION=20264"
                              AC_MSG_RESULT([NOTICE: compiling bot binaries for glftpd 2.02 64bit and above. (--enable-gl202-64).]),
                              GLVERSION="detect")
            fi
          fi
        fi
      fi
    fi

    if [[ "$GLVERSION" = "detect" ]]; then
      if [[ ! -d "$INSTALLPATH" ] || [ ! -x "${INSTALLPATH}/bin/glftpd" ]]; then
        AC_MSG_ERROR([Invalid glpath "$INSTALLPATH". Use ./configure --with-install-path=PATH with a valid path! (or --enable-gl(132|200|201|201-64|202-32|202-64) to disable autodetect).
               If you're NOT using glftpd, use --disable-glftpd-specific. Quitting!])
      fi
      glversion="`$STRINGS $INSTALLPATH/bin/glftpd | $GREP -i '^glftpd ' | $CUT -c8-11 | $TR -d '.'``$FILE $INSTALLPATH/bin/glftpd | $CUT -d':' -f2 | $CUT -c6,7`"
      if [[ `echo "$glversion" | $EGREP "^(13232|20032|(20[1-9](32|64)))$"` ]]; then
        glusevers="$glversion"
        if [[ `echo "$glversion" | $EGREP "20[2-9]32"` ]]; then
          glusevers="20232"
        else
          if [[ `echo "$glversion" | $EGREP "20[2-9]64"` ]]; then
            glusevers="20264"
          fi
        fi
        GLVERSION="-DGLVERSION=$glusevers"
        glversion="`echo "$glversion" | $SED 's/^\(.\)\(.*\)\(..\)$/\1\.\2 \3bit/'`"
        AC_MSG_RESULT([NOTICE: detected glversion, compiling bot binaries for glftpd $glversion.])
      else
        AC_MSG_ERROR([Couldn't detect glversion, please run ./configure --enable-gl132 or --enable-gl200 or --enable-gl201 or enable-gl201-64 or --enable-gl202-32 or --enable-gl202-64. Quitting!])
      fi
    fi
    AC_SUBST(GLVERSION)

    USING_GLFTPD="-DUSING_GLFTPD=1"
    SITEWHO="swho"
    SHOWLOG="showlog"
    SHOWLOG_INSTALL="showlog-install"
fi

AC_SUBST(USING_GLFTPD)
AC_SUBST(SITEWHO)
AC_SUBST(SHOWLOG)
AC_SUBST(SHOWLOG_INSTALL)

AC_SUBST(SUNOBJS)
AC_SUBST(NOFORMAT)
AC_SUBST(ALTWHO)
AC_SUBST(INSTALLPATH)
AC_SUBST(STATIC)
AC_SUBST(LCRYPT)
AC_SUBST(LCRYPTO)
AC_SUBST(PASSCHK)
AC_SUBST(PASSCHK2)
AC_SUBST(MAKE)

AC_CONFIG_FILES([Makefile zipscript/src/Makefile zipscript/utils/Makefile sitebot/src/Makefile sitewho/Makefile sitewho/sitewho.conf lib/Makefile lib/strl/Makefile])
AC_OUTPUT

if [[ ! -f zipscript/conf/zsconfig.h ]]; then
    if [[ "x$USING_GLFTPD" == "x" ]]; then
        $CP -i zipscript/conf/zsconfig.h.dist-nonglftpd zipscript/conf/zsconfig.h
    else
        $CP -i zipscript/conf/zsconfig.h.dist zipscript/conf/zsconfig.h
    fi
fi

if [[ "$PASSCHK" = "" ]]; then
AC_MSG_RESULT(
$( echo )
libcrypt/OpenSSL not found. Not building passchk)
fi

AC_MSG_RESULT(
$( echo )
The makefiles are now configured. Next up you need to edit
zipscript/conf/zsconfig.h to fit your needs. Please see
README.ZSCONFIG for a complete list of options.
)

if [[ "x$FLAC_HEADERS" != "x" ]]; then
AC_MSG_RESULT(
$( echo )ATTENTION! You are compiling with FLAC support enabled.
 This requires third party libs to be accessible in your chroot.
 For this you are advised to run libcopy.sh after installation.
)
fi

if [[ "x$GLFTPD_SPECIFIC" = "xyes" ]]; then
RESULT="Also be sure to edit sitewho/sitewho.conf. The conf has
all config options for the sitewho binary.

When done type 'make' to compile.
"
else
RESULT="You've compiled pzs-ng in "ftpd-agnostic" mode, this means
that all glftpd-specific features have been disabled. Good luck!
"
fi
AC_MSG_RESULT($RESULT)